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4. MSEL
4.3 DeviceNet Interface
(1) Communication Connector
(2) Monitor LED indications
The board operation status and network condition are obtained with the two LEDs located in the front of the
communication board.
○
: Illuminating
×
: OFF
: Flashing
Pin color Details
Black
Negative side of communication power line
Blue
Low side of signals
None
Shield
White
High side of signals
Red
Positive side of communication power line
LED
Color
Illumination
Status
Indication Description (Detailed Explanation)
NS
(Network
Status)
Green
○
• Online, Communicatio
n in normal condition
• Online, No connection established
Orange
○
• Critical link error
•
Connection timeout
Green/Orange
Blink by turn
• Self
-testing
-
×
• Offline / No power supply confirmed
MS
(Module
Status)
Green
○
•
Normal Operation
• Configuration setting not established or not
complete, test run required
Orange
○
• An error that cannot be recovered
• An error that can be recovered
Green/Orange
Blink by turn
• Self
-testing
-
×
No power supply confirmed
Red
White
None
Blue
Black
Summary of Contents for DeviceNet ASEL Series
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